Ensure the terminals of the battery are touching the contact points in the battery compartment. If the terminal in on the battery do not make contact with the terminals in the battery compartment, the camera will not receive any power.

If correct placement of the battery does not lead to a successful power up of the camera, there is a possibility that the battery no longer holds charge or the battery terminals are damaged. Remove and charge battery. If the battery does not retain a charge, you will need a new battery.

If neither the correctly placement of the battery nor a new battery lead to a power up, the power button may be malfunctioning. Refer to Installing the power/shutter button guide in order to access the power button. Ensure that the buttons are installed correctly. If there are any damaged parts, replacements will be necessary.

If the LCD screen is no longer responsive or does not display an image, it is possible that the screen connections are loose. Refer to the Installing the LCD screen guide in order to access the screen and the connections. Inspect the connections and determine if a new screen is needed.

The flash assembly is connected to the the motherboard via a ribbon cable. If this connection is loose, the flash assembly will not receive power and thus the camera will not flash. Refer to Installing the Flash Assembly guide in order to access the ribbon cable.

It is possible that one or more components of the flash assembly have stopped working rendering your camera unable to use flash. In this case, the flash assembly must be replaced. Refer to Installing the Flash Assembly in order to replace the flash assembly.

Over time, dust particles can accumulate between the lens gears causing the gears to get stuck. Refer to Installing the Lens and Motor assembly guide in order to access the lens assembly. Manually turn the lens gears in order to clean them.

The lens motor can sometimes stop working. This can cause the camera lens to become unresponsive. In order to solve this problem a new lens motor must be installed. Refer to Installing the Lens and Motor assembly guide in order to access the lens motor assembly.